Re: [Bug] S-flag imposes non-greedy match where it shouldn't

[Sebastian Gniazdowski <sgniazdowski@xxxxxxxxx>]

The trick is not right. I'll try to update it or otherwise change the
description.

On Thu, 26 Dec 2019 at 19:35, Sebastian Gniazdowski
<sgniazdowski@xxxxxxxxx> wrote:
>
> I've attached the extended description. It includes a trick to
> work-around the unintuitive behavior of S. It looks as follows:
>
> http://psprint.blinkenshell.org/S_flag.png
>
> I think that the way the S flag works is a bit of an inconsistency,
> Because ${str%%X##**} would not stop at the first from the right
> match, it would try other matches starting from the right and go on up
> to the final first from the left X. I think that (S) shouldn't change
> this, but on the other hand should ${(S)str%%X##} match the first
> three X? Rather not, as it would resemble ## then... Intuitively,
> however, it should match all the three right X.
>
> On Thu, 19 Dec 2019 at 16:30, Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx> wrote:
> >
> > Sebastian Gniazdowski wrote on Wed, 18 Dec 2019 20:44 +00:00:
> > > Or rather not a bug… It seems that it's the result of how % searches
> > > the substrings from the end – it stops at the first match, i.e.: after
> > > finding a first X from the right.
> >
> > Could we improve the documentation of (S), then?
>
>
>
> --
> Sebastian Gniazdowski
> News: https://twitter.com/ZdharmaI
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-- 
Sebastian Gniazdowski
News: https://twitter.com/ZdharmaI
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